28064560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6619}}^1$

素因数の和:6685

約数の個数: 40

約数和(自身を含む): 66491280

約数和(自身を除く): 38426720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 6619, 13238, 26476, 33095, 52952, 66190, 105904, 132380, 264760, 350807, 529520, 701614, 1403228, 1754035, 2806456, 3508070, 5612912, 7016140, 14032280, 28064560]

約数ペア:

[(1, 28064560), (2, 14032280), (4, 7016140), (5, 5612912), (8, 3508070), (10, 2806456), (16, 1754035), (20, 1403228), (40, 701614), (53, 529520), (80, 350807), (106, 264760), (212, 132380), (265, 105904), (424, 66190), (530, 52952), (848, 33095), (1060, 26476), (2120, 13238), (4240, 6619)]